SATEC EM132-133 Manual - Manual (Page 40)

‎Chapter 2 Installation
40 EM13x Series SMART MULTIFUNCTION METER
PRO module – COM2 PROFIBUS Connection
Figure ‎2-34 COM2 PROFIBUS Connection

The PRO module TERMINAL is for use only with equipment
which has no live parts which are ACCESSIBLE
The RATING of the insulation of the external equipment for use
with the PRO module, shall comply according to Installation
Category II for insulation to be suitable for SINGLE FAULT
CONDITION
The external equipment TERMINAL connection type is DB9
The type of equipment that might be connected to the
TERMINAL is:
Programmable Logic Controller for automation – PLC